Are versions monocular or binocular?

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Prepare for the NBEO Ocular Motility Test. Practice with questions and explanations to enhance your understanding. Get ready for your exam easily!

Multiple Choice

Are versions monocular or binocular?

Explanation:
Versions are the conjugate, or coordinated, movements of the eyes in the same direction. This makes them binocular, because both eyes move together as a unit to maintain alignment and fusion. If one eye moves while the other stays fixed, that’s a duction, not a version. Vergence movements are opposite in direction to focus at different depths. So, versions are binocular, not monocular. The idea of being simultaneous describes timing rather than classification, and monocular would describe movement of a single eye rather than coordinated movement of both.

Versions are the conjugate, or coordinated, movements of the eyes in the same direction. This makes them binocular, because both eyes move together as a unit to maintain alignment and fusion. If one eye moves while the other stays fixed, that’s a duction, not a version. Vergence movements are opposite in direction to focus at different depths. So, versions are binocular, not monocular. The idea of being simultaneous describes timing rather than classification, and monocular would describe movement of a single eye rather than coordinated movement of both.

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